Multiplying and Dividing
Fractions
In multiplying and dividing common fractions,
the denominators do not matter. That is, whether
or not the denominators are like or unlike, it does
not matter when multiplying and dividing
common fractions.
Multiplication of Common Fractions
◈
The steps below can be used to multiply common fractions:
1.
Multiply the numerators (top numbers)
2.
Multiply the denominators (bottom numbers)
3.
Simplify the fraction (if needed).
First, convert mixed
number into
improper fraction.
Second, multiply the
numerators. Then
multiply the
denominators.
Finally, simplify the
product.
Note every whole number
has a denominator that is 1.
Division of Common Fractions
◈
The steps below can be used to divide common fractions:
1.
Turn then second fraction (The fraction you want to divide
by) upside down. –This is now the reciprocal.
2.
Multiply the first fraction by the reciprocal
3.
Simplify the fraction (if needed).
Activity